March 21, 1987Thanks to Club Nouveau, "Lean on Me" joined an exclusive club. Thirty years ago, the song hit No. 1 on the Billboard Hot 100 for a second time, after first leading for three weeks in 1972 as recorded by Bill Withers. It's one of nine compositions to top the Hot 100 by different artists.

March 22, 1997Diddy, then billed as Puff Daddy, tallied his first of five Billboard Hot 100 No. 1s to date, as "Can't Nobody Hold Me Down," featuring Mase, began a six-week rule. The song incorporates Matthew Wilder's 1984 top five hit "Break My Stride."

March 23, 1996Celine Dion's ballad "Because You Loved Me" settled in for a six-week stay atop the Billboard Hot 100. It became one of nine No. 1s for writer extraordinaire Diane Warren, who's also penned leaders for Chicago, Toni Braxton and Aerosmith, among others.

March 24, 1990"Black Velvet," Alannah Myles' tribute the King, Elvis Presley, who spurred a "new religion that'll bring you to your knees," began a two-week reign on the Billboard Hot 100. Christopher Ward was reportedly inspired to write the song (with David Tyson) after riding on a bus full of Presley fans on their way to Memphis for the icon's 10th-anniversary vigil at Graceland.

March 25, 1989Mike + the Mechanics' plaintive ode to the passage of time, "The Living Years," became the group's first and only Billboard Hot 100 No. 1. The band's eighth studio album, Let Me Fly, featuring lead single "Don't Know What Came Over Me," arrives April 7.

March 26, 1988Michael Jackson's reflective ballad (literally) "Man in the Mirror" topped the Billboard Hot 100. The classic became his 10th of 13 career No. 1s, the most among solo males. The song was co-written by Glen Ballard, who later co-wrote the music for all the tracks on Alanis Morissette's Jagged Little Pill.